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How to get expired ink out of lines - Lt Cyan and Lt Magenta

jtiii

I paid good money for you to read this!
I'm running an HP 315 with HP Production Manager RIP. My LC and LM expired a while ago and I thought "whatever". Recently I started to get more mottling in my prints in light areas, especially light greys. They've also shifted toward green. I read up on it a little and saw that the expired ink may be the problem, so I replaced the inks, but I also read that there is as much as 30ml in the lines.
Is there any way to get the RIP to print solid blocks of those inks? Otherwise is it easy to draw the ink with a syringe without making a mess/f*cking up the printer?
 

balstestrat

Problem Solver
If you have a syringe just suck the ink out. Turn the printer off, take out the printhead and start pulling. But this only applies to the LM and LC.
You can turn off color management in the rip and make lets say 10% cyan and 10% magenta boxes then it should use only lights for it. You can see the usage in the print server.
 

jtiii

I paid good money for you to read this!
If you have a syringe just suck the ink out. Turn the printer off, take out the printhead and start pulling. But this only applies to the LM and LC.
You can turn off color management in the rip and make lets say 10% cyan and 10% magenta boxes then it should use only lights for it. You can see the usage in the print server.
Thanks very much for the quick reply. Sorry to have to ask, but how do you unpark the printhead shuttle when it's off?
 

jtiii

I paid good money for you to read this!
If you have a syringe just suck the ink out. Turn the printer off, take out the printhead and start pulling. But this only applies to the LM and LC.
You can turn off color management in the rip and make lets say 10% cyan and 10% magenta boxes then it should use only lights for it. You can see the usage in the print server.
Turns out I don't have the right needle, my syringes have a blunt open tip and I think I'd damage the little interfaces there. I did some playing around and with color correction off the printer starts adding regular CM at 26%, so 25% gives you light CM only. The frustrating thing is it only lays down about 50%!
 
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